Skate guard



FIG. 1 is a left side elevation of the ornamental design for a skate guard with mounted locking device according to my design;

FIG. 2 is a front elevation thereof;

FIG. 3 is a perspective view thereof;

FIG. 4 is a perspective view of the locking device;

FIG. 5 is a left side elevation of the locking device;

FIG. 6 is a right side elevation of the locking device; and,

FIG. 7 is a front elevation of the locking device.

The locking device has been shown separately in FIGS. 4-7 for ease of illustration only. 

An ornamental design for a skate guard, as shown and described. 